Alarm-clock.



A. KAISBRMAN. ALARM CLOCK. APPLICATION FILED JULY 15, 1909.

Patented July 12, 1910.

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A. KAISERMAN.

ALARM CLOCK.

APPLICATION FILED JULY 15, 1909.

Patented Ju1y12,1910.

3 SHEETS-SHEET 2.

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A. KAISERMAN.

ALARM CLOCK.

APPLIOATION FILED JULY 15, 1909.

Patented July 12, 1910.

3 BHEETS-SHEET 3.

A TTOHNE YS ru: Namzls Pfr-Ess es., wAsmwroN. D c4 UNITED STATES PATENTOFFICE.

ACHILLE KAISERMAN, OF KANKAKEE, ILLINOIS.

ALARM-CLOCK.

To all whom it may concern:

Be it known that I, Aoi-num AISERMAN, a citizen of the United States,and a resident of Kankakee, in the county of Kankakee and State otIllinois, have invented a new and Improved Alarm-Clock, of which thefollowing is a full, clear, and exact description.

Among the principal objects which the present invention has in view are:to provide a mechanism embodying a bell ringing alarm operatable by thetime actuating mechanism of the clock; to provide a mechanism whereinthe setting of the time for the alarm is operated simply and accuratelyto the minute; to provide a mechanism whereby the reversing of the alarmmechanism is prevented; to provide a mechanism whereby the operation ofthe alarm is prevented; to provide a structure for carrying the alarmbell on the frame of the clock; and to provide a combined time winding`and time setting device wit-hin one and the same structure.

One embodiment of the present invention is disclosed in the structureillustrated in the accompanying drawings, in which like characters otreference denote corresponding parts in all the views, and in which-Figure 1 is a vertical longitudinal section of a clock constructed inaccordance with the present invention; Fig. 2 is a front elevation of aclock constructed in accordance with the present invention; Fig. 3 is across section taken on the line 3 3 in Fig. 1; Eig. 4 is a cross sectiontaken on the line 4 4 in Fig. 1; and Fig. 5 is a longitudinal verticalsection of the spring arbor and the power transmission wheel connectedtherewith; Eig. is a detail view in diagrammatic arrangement ot thealarm operating mechanism; Fig. 7 is a front view of the alarm settingand operating mechanism; Fig. 8 is a detail view showing thehammer-releasing device and the engaging wheel therefor; and Fig. 9 is adetail view of the time setting wheel and the alarm-releasing attachmentconnected therewith.

In the present invention, which pertains more particularly to theequipment of a clock with an alarm attachment, no alteration is made inthe time mechanism. rThe gear 'l' is ixedly attached to a spring barrel`9. The spring barrel 9 contains a spiral spring 10, to which it isconnected by the end 11 of the said spring. The opposite Specificationof Letters Patent.

Application filed July 15, 1909.

Patented July 12, 1910.

Serial No. 507,713.

end of the spring is anchored to an arbor 6, as shown at 12 in Fig. 5 ofthe drawings.

Fixedly mounted on the arbor G is a winding gear 13, which is held intoothed engagement with a gear 14 ixedly mounted upon a winding stem 15,upon which a winding handle 16 is mounted.

The stem is loosely mounted about an arbor 17, carrying the minute handof the clock. The arbor 17 is provided at the end opposite that carryingthe hand 18 with a squared extension 19 to receive a time-setting key20. The key 20 is provided with a knurled head 21 adapted to rest withintheloop of the handle 16. The loop of the handle 16 normally rests overthe head 21 of the key, and prevents the withdrawal of the same fromengagement with the squared extension 19 of the arbor 17. By turning thehandle 16 to one side the key 2O may be withdrawn from the stem 15.

Then winding, the spring 10 exerts an expansion force upon the springbarrel 9 and upon the arbor 6. To the spring barrel 9 is lixedlyattached the gear wheel 7, which is connected to the 'time operatingmechanism ot the clock, The gear wheel S is xedly mounted upon the arborG.

In winding the spring 10, the stem 15 is rotated by the handle 1Grotating the gear wheels 13 and 14, thereby revolving 't-he arbor 0 andwinding the sprino' l() thereon.

The spring barrel 9 is held against moving, in answer to the pull of thespring, by the gear 7, and the time operating mechanism connectedtherewith. When, however, the alarm operating mechanism is released,'the spring 10 is permitted to expand and rotate the gear S. The spring10 then drives the alarm operating mechanism. This action is controlledby the upturned extensions 22, 22, which are projected from 'the gearwheel 8 into the path oit the teeth (35, (35 oiB the cam 9.4.

The cam Q11 is formed oi' the shape substantially as shown in Figs. -leand G or' the drawings, having circular cams 25 and gear teeth 65, G5.It is the engagement by a head 27 ot a lever Z8 with the body of the cam2a which arrests the winding action ot the arbor (3 for the purpose oiringing the alarm. The lever 2S is provided with a spring section i9, at'the end ot which is located the head 2T. The lever 28 is pivoted at inthe movement frame of the clock. The lever 2S has a circular section 31,which extends around the arbor 6, and is provided with a straightextension 32, upon the end of which is mounted a small gear wheel 33.The gear wheel 33 is pivoted at within a slot formed in the end of thestraight extension 32. The purpose of this mounting is that when thegear 8 is rotated in 'the direction impelled by the winding of thespring 10, the wheel 33, which normally rests in toothed engagement witha small pinion 36, is carried out of engagement therewith by moving inthe direction of the arrow shown in Fig. 6. Vhen, however, the expansionof the spring is exerted to rotate the gear 8 backward, the wheel 33 ismoved toward and into engagement with the said wheel 36.

The wheel 36 is mounted on an arbor 37, upon the opposite end of whichis iixedly mounted a wheel 38. The wheel 38 is in toothed engagementwith a small pinion 39, which is mounted upon a shaft 40, whereon isfixedly mounted a star wheel 41. The star wheel 41 is engaged andcontrolled by an oscillator 44, the tail 45 whereof is operativelyengaged by the time train gears 23, whereby the said oscillator, 'thehammer arm 42 and the hammer 43 are held as each tooth of the timecontrolled wheel passes under the tail 45. As a rule it requires sixteenseconds for each of the said teeth to pass under 'the said tail 45. Theintervals between the teeth may be arranged to suit. This constructionand arrangement produce an intermittent ring of the alarm.

The expansion of the spring 10, operating upon 'the spring barrel 9 whenthe gear 8 is held stationary, transmits the power of the said spring tot-he train of gears constituting the time mechanism, which forms no partof the present invention except in so far that the time setting devicefor the alarm is controlled thereby. This control is effected by meansof wheels 46 and 47 The wheel 47 is in toothed engagement with a smallpinion 48 constituting one of the train 4 of gears forming the timemechanism for operating the alarm. rlhe wheel 47 is slidably mountedupon the arbor 17, and is forced out-ward thereon by a leaf spring 49.In 'the upper side of the wheel 47 are pro vided teeth 50, 50 which rideupon the under surface of the wheel 46. rThe wheel 46 has formed on theunder side a raised crown 51, in which is formed indentations 26, 26 toreceive the teeth 50 when alined therewith. The teeth 50 ride out of theindentations 26 by inclined surfaces 51a provided therein, and fall intothe same perpendicularly. The wheel 47 is operated in time relation withthe arbor carrying the hour hand of the clock.

Vhen the teeth 50, 50 over-ride and fall into the slots providedtherefor, the leaf spring 49 is permitted to throw outward, re-

leasing the upturned lip 52, fixedly mounted upon and controlling theoperation of the arbor 53 upon which the oscillator 44 is mounted. Theleaf spring 49 is provided with fingers 54, which are adapted to extendover and surround the lip 52. Then the lip 52 is thus engaged it will beobserved that the arbor cannot oscillate, thus imprisoning and holdingrigid the wheel 41, and with it the arbor 4() and train of gearsconnected therewith back to the main spring 10.

By setting the wheel 46 with reference to the time dial, the slots intowhich the teeth 50 are inserted by the spring 49, is arranged. The wheel46 is mounted upon a short shaft 55, at the outer end whereof is carriedan index hand 56. The index hand 56 bears a fixed relation with theslots formed in the wheel 46, hence by moving the hand 56 to any fixedposition upon the dial, the wheel 46 is compelled to assume a certainposition relative to the wheel 47.

It is to regulate the position of the hand more accurately upon the dialthat there is provided a smaller dial 57, imprinted upon the main dial,and wherein is mounted a small index hand 58. The index. hand 58 isrigidly connected with a small pinion 59, which is held in toothedengagement with the wheel 46. The arrangement between the wheel 46 andthe pinion 59 is such that the hand 56 bears the relation to the hand 58that the hour hand of the clock bears to the minute hand thereof. Hence,as the hand 56 is moved on the main dial of the clock, the hand 58 ismoved by this smaller dial at a rate twelve times faster. That is tosay, for each minute division that the hour hand is moved on the dialthe smaller hand 58 is moved twelve of its subdivisions, which indicatethe sixty minutes of the hour. By this arrangement the operator canbring the hour hand to a position on the main dial so that the alarm maybc set for such a time as nineteen min utes past the hour, with thecertainty of having the alarm operate on that division of time.

The hand 56 is shifted by means of the rotary frame 61 of the crystal6() of the clock. The rotary frame 61, wherein the crystal 60 is held,is held in the casing of the clock by the ridge formed by spinninginward the metal of the casing at 62. The frame is provided with aseries of dogs 63, 63 set out from the inner face to extend into thepath of the hand 56, to move the same about the dial when the frame 61is rotated. It is to provide against undertaking to move t-he hand 56backward that I have fixed the dogs 63 so as to under-act and lift bycam action the hand in the event of the frame being turned backward. Thefront face of the dogs 63, 63 are disposed to engage the end of the hand56 and move the same positively to the clock face.

lt will be seen that a clock constructed in accordance with thisinvention, and as above described, is at all times ready to be wound,this being accomplished by grasping the handle 16 and rotating the same,transmiting the rotary action through the gears 13 and 14, the oppositeends of the springs 10 being anchored to the arbor 6 upon which the gear13 is fixedly mounted, and the spring barrel 9 to which the wheel 7 ofthe time mechanism is fxedly attached. Then the spring is thus wound itis relatively anchored to the slow moving time mechanism. Then t-hewinding mechanism is released by the hand of the operator, the springimmediately tends to unwind or expand backward through the gear 8. Thisaction is prevented by the engagement of the leaf spring 49 with the lip52, the leaf spring being held in a depressed position, as shown in Fig.1 of the drawings. Hence it is, that the winding of the spring by thehandle 16 at one operation winds the spring which is ready at all timesto operate the time mechanism, and when permitted, the alarm mechanism.

The winding of the spring is accomplished without operating the alarmoperating mechanism connected with the wheel 86, by the avoidance of thewheel 83, which is moved backward out of engagement with the wheel 66,as above set forth, when the gear 8 is rotated in a manner t0 wind thespring 10. rThis is the purpose of the loose mounting of the wheel 33above described, and as shown in Figs. 4 and 6 of the drawings.

The alarm mechanism operates only when the teeth 59 aline with theindentations 26 provided in the wheel 46 to receive them. Then thisalinement occurs the leaf spring 49 forces the wheel 47 outward untilthe lingers 54 release the lip 52, permitting the train of gearsoperating the star wheel 41 and the hammer 43 to operate the same. Thisoperation continues, repeatedly striking the bell 64 and sounding analarm until the body portion of the cam 24 strikes against the head 27of the lever 28. Then this conjunction occurs the cam 24 is arrested,and with it the power transmission train operating the said alarm.

The body portion is brought into contact with the head 27 by reason ofthe extensions 22, 22 having engaged the teeth 65, 65, as in the mannerof gear teeth, moving the cam 24 and the cams 25 past the head 27 duringone complete rotation of theV gear 8, there being three of the teeth 65and three of the extensions 22.

Then the alarm operating mechanism is released, the gear wheel 8 isrotated in the direction shown by the arrow in Fig. 6. For

each alarm the gear 8 rotates one complete rotation. In this revolutionthe three exten sions 22, 22 engage the teeth 65, 65 of the cam 24successively, moving the cam in the direction opposite the rotation ofthe gear S. For each movement of the cam 24 by the extensions 22, thehead 27 of the lever 28 is lifted over the cam 25, the spring section 29of the lever 28 permitting the head 27 to thus rise. The head 27 strikesinto the recess between the next succeeding cam 25 to aline and hold thecam 24 after being disengaged by one of the extensions 29. This actionholds the cam 24 in position so that the fo-llowing tooth 65 is in thepath of the following extension 22. The operation of the secondextension 22, in moving the cam 24, is the same as above described. Thisac` tion is repeated by the three extensions 22 in their engagement withthe teeth 65, 65, the last extension 22 placing the head 27 in therecess between the last cam 25 and the end 67. Then now the nextextension 22 impinges upon the cam 24, it strikes upon the body portionin which there are no teeth, and which arrests the movement of the gear8, and the extensions 22 carried thereby.

Then the spring 10 is re-wound, the gear 8 is moved by the arbor 6 inthe direction opposite that shown by the arrow in Fig. 6. As abovestated, this movement of the gear S does not operate the train of gearsconnectw ing the same with the alarm, by reason of the fact that thegear 38 is moved out of conta ct with the pinion 36. In thus rewindingthe spring 10, the extensions 22, 22 reverse the cam 24 engaging theteeth 65, 65 from the direction opposite that previously described. Theextensions 22, 22 place the cam 24 and the head 27 in the position shownin Fig. 6 of the drawings. The gear S is arrested in this position bythe extension 22 striking upon the side of the cam 24 between the firsttooth 65 and the end 67 ln this position the gear 8 remains stationaryuntil the alarm operating mechanism is released.

It will be noticed that during the operation, and at the beginning ofthe winding operation just above described, the wheel 3?, is forced outof engagement with the wheel 36, thereby avoiding the operating of thestai' wheel 41 and hammer 43 through the train of gears connectedtherewith. This operation is repeated for each winding of the clock, thewinding having the effect of winding the main spring to operate both thetime mechanism and the alarm mechanism.

lf it is desired that the alarm be not operated, the hand 56 is moveduntil it passes over and impinge upon the end of the extension 66 set upfrom the end of the spring 49. The hand 56 being thus set over andresting upon the spring 49, it is not permitted to rise when the teeth50, 50 aline with the indentations 26 formed in the wheel 46, and beingthus controlled the lip 52 of the oscillator 44 is imprisoned, and thealarm mechanism prevented from operating. Thus, by moving the hand 5Gthe alarm may be adj usted to occur at any minute desired by theoperator, and by the further movement of the said hand the alarm may beprevented from operating.

Having thus described my invention, what I claim as new and desire tosecure by Let ters Patent is l. An alarm clock, comprising a latch forholding the alarm operating mechanism from acting; a device operated bythe time mechanism for releasing' the said latch; a mechanism foractuating the releasing device embodying an extended clock hand toindicate the hour upon the clock dial; a separate hand to indicate theminutes; a gear train connecting said hands to cause same to move intime relation; and a rotatable frame mounted on said clock adapted toengage one of said hands to move the same to set the actuating mechanismrelatively to the time mechanism, said frame adapted to engage said handto move same in one direction only.

2. An alarm clock, comprising a latch for holding the alarm operatingmechanism from acting and extended outward through the clock dial; adevice operated by the time mechanism for releasing the said latch; amechanism for actuating the releasing device embodying' an extendedclock hand to.

indicate the hours upon the clock dial, said hand adapted to rest overand depress said latch to prevent same from releasing the alarmoperating mechanism; and a rotatable frame mounted on said clock adaptedto engage said hand to move the same to set the actuating mechanismrelative to the time mechanism and when desired over the said latch.

3. An alarm clock, comprising a hollow tube mounted upon the clock frameconcentric with the arbor carrying the hour hand of the clock; suitablegear connection between said tube and the arbor upon which the powerspring' is wound; a key adapted to tit within the hollow of said tube toengage the said arbor therein and having a head extended beyond saidtube whereby the said key may be rotated to shift the hands of the clockor be withdrawn from said tube; a loop pivotally mounted in said tubeadapted to throw over the end of said key to prevent the withdrawalthereof; a bell supporting frame secured to the clock frame and forminga bearing for said tube; and a bell adapted to be secured upon said bellframe.

4. An alarm clock, comprising a spring actuated releasing device; aholding latch for the alarm operating mechanism; a disk supplementaldial to aline with the said v markings thereof; a gear wheel tixedlyattached to said hand on said clock face held in toothed engagement withthe gear wheel on said disk, the toothed relation of said wheels beingone to twelve; a casing rotatably mounted on the frame of the clockconcentric with t-he said face thereof; and engaging members ixedlymounted on said frame to extend in the path of said setting hand to movethe same when the frame is rotated.

5. An alarm clock, comprising an alarm operating mechanism embodying areleasing device operated by the time mechanism of said clock; a timemechanism for said clock arranged to release the said alarm operatingmechanism; a power spring operatively connected to both the said alarmoperating mechanism and the said time mechanism; a mechanism for windingsaid spring; and a yielding wheel interposed between the said spring andalarm operating mechanism disposed to move out of engagement therewithwhen the said spring is wound.

6. An alarm clock, comprising an alarm operating mechanism embodying areleasing device operated by the time mechanism of said clock; a timemechanism for said clock arranged to release the said alarm operatingmechanism; a power spring operatively connected to both the said alarmoperating mechanism and the said time mechanism; a mechanism for windingsaid spring; a movable gear wheel operatively connected with saidmechanism for winding said spring and removably connected thereto; andelongated bearings for said wheel concentrically arranged with one ofthe gears connected by said removable wheel.

7. An alarm clock, comprising an alarm operating mechanism embodying aspring; a vibrating arm; a winding mechanism for said spring; a train ofgears actuated by said spring and operatively connected with saidvibrating arm; and a swinging arm providing a bearing for one of saidgears and adapted to permit the removal of the said gear mounted thereonfrom engagement with the remainder of said train of gears.

8. An alarm clock, comprising an alarm mechanism embodying the mainspring of said clock; a vibrator; a train of gears operativelyconnecting said main spring and vibrator; a winding mechanism for saidmain spring; a yielding mounting for one of the gears of said train topermit the removal of said gear from engagement with the niembers ofsaid train when said spring is being wound by the said windingmechanism.

9. An alarm clock7 comprising a hollow tube mounted concentric with thearbor carrying the hour hand of the clock7 said arbor being extendedwithin the said tube; suitable connection between the said tube andarbor of the power spring whereby the latter is rotated when the saidtube is revolved; a key adapted to rest within the hollow of said tubeto fxedly engage the said arbor to shift the clock hands thereby, saidkey having a head extended beyond the said tube; a bell supporting framesecured to the clock frame and forming a bearing for said tube; and abell adapted to be secured upon said bell frame.

ln testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

ACHILLE KAISERMAN.

